Two of the four primary tissue types contain excitable cells, cells that receive stimuli and generate electrical signals. One of these is muscle tissue. Name the other
A) nervous B) connective C) epithelial
Answer: A
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Candy and sugary desserts are associated with weight gain. Why would candy and sugary foods, containing carbohydrates, cause an increase in body fat?
A. Glucose is stored as glycogen. When the amount of glycogen exceeds the storage capacity of the liver, it is transported to adipose tissue and adds to the fat stores. B. Carbohydrates, once broken down into glucose, can be used in lipogenesis and be converted into fats for storage. C. "Body fat" refers to the mass storage of excess nutrients in the adipose layer. Anything in excess can be stored there, including carbohydrates, fats, proteins, and nucleic acids. D. Disaccharides like sucrose and lactose can be broken down into monosaccharides and stored in fat cells beneath the skin.
With the exception of olfaction, all sensory pathways first travel to the ________, which acts as a relay and processing station.
A) cerebrum B) hypothalamus C) cerebellum D) medulla oblongata E) thalamus
The renal papillae extend into the ________.
A. cortex B. major calyces C. renal columns D. minor calyces
Wally decides to go on a hunger strike to further one of his favorite causes. After many days with nothing but water you would expect to observe
A) elevated levels of glucocorticoids. B) ketone bodies in his urine. C) lowered blood pH. D) All of the answers are correct. E) None of the answers is correct.